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lisov135 [29]
3 years ago
8

Correct each of the following errors 4a^2x3a^5=(4+3)a^2+5=7a^7

Mathematics
1 answer:
Bogdan [553]3 years ago
3 0

Answer:

the left hand side dose not equale 7a^7

Step-by-step explanation:

4a^2x3a^5=7a^2+5=7a^7

16ax3a^5=7a^7=7a^7

48a^5=7a^2+5=7a^7

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brent had $26 when he went to the fair. after playing 7 games, he had $15.50 left. solve 15.50=26 -7p to find the price for each
Vedmedyk [2.9K]
Step 1: Simplify both sides of the equation.

<span>15.5=<span>26−<span>7<span>p

</span></span></span></span>15.5=<span>−7p+<span>26
</span></span>
Step 2: Flip the equation.

<span><span>−7p+26</span>=<span>15.5

</span></span>Step 3: Subtract 26 from both sides.

<span><span><span>−7p</span>+26</span>=<span>15.5
       -26 -26

</span></span><span><span>−7p</span>=<span>−<span>10.5

</span></span></span><span>Step 4: Divide both sides by -7.
</span><span>
-7p = -10.5
/-7     /-7

Answer:

P = $1.5 (Price for each game)


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3 0
3 years ago
Complete the square to determine the maximum or minimum value of the function defined by the expression.
uranmaximum [27]

Answer:

  B)  maximum at 15

Step-by-step explanation:

Factor the leading coefficient from the first two terms.

  -(x^2 +6x) +6

Add the square of half the x-coefficient inside parentheses and subtract the same quantity outside.

  -(x^2 +6x +9) +6 -(-9)

  -(x +3)^2 +15

Compared to the form

  a(x -h)^2 +k

we find a=-1, h=-3, k=15. The negative vertical scale factor (a=-1) means the parabola opens downward. The vertex is located at (h, k) = (-3, 15).

The maximum value is 15.

4 0
4 years ago
Which item is more economical?
iVinArrow [24]
The correct answer is: <span>a $100,000 life insurance policy at $0.55 per $1000 per month (more economical)

</span>
Explanation:

(1)<span>a $100,000 life insurance policy at $0.55 per $1000 per month

It means:
$0.55*100*12  = $660 [There are 100 thousands in $100000 and there are 12 months in the year]

(2)</span><span>a $100,000 life insurance policy at $170 per quarter.

It means:
$170*4 = $680 [There are 4 quarters in a year]

As $680 > $660 therefore Option (A) is the economical option.</span>
5 0
3 years ago
PLS HELP WILL GIVE BRAIN THINGY
trasher [3.6K]

Answer:

Teachers are tough

Step-by-step explanation:

your welcome i hope you do good in ur test! :)

4 0
3 years ago
BC=-17+2x, AB=7, and AC=x-1. Find x
erma4kov [3.2K]

Answer:

Step-by-step explanation:

-17 + 2x = x - 1

2x = 16

x = 8

6 0
4 years ago
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